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80755133 is a prime number
BaseRepresentation
bin1001101000000…
…11100110111101
312121221210012212
410310003212331
5131133131013
612002510205
72000256464
oct464034675
9177853185
1080755133
1141647588
1223065365
1313966004
14aa219db
1571526a8
hex4d039bd

80755133 has 2 divisors, whose sum is σ = 80755134. Its totient is φ = 80755132.

The previous prime is 80755123. The next prime is 80755153. The reversal of 80755133 is 33155708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59567524 + 21187609 = 7718^2 + 4603^2 .

It is a cyclic number.

It is not a de Polignac number, because 80755133 - 210 = 80754109 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80755133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80755123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40377566 + 40377567.

It is an arithmetic number, because the mean of its divisors is an integer number (40377567).

Almost surely, 280755133 is an apocalyptic number.

It is an amenable number.

80755133 is a deficient number, since it is larger than the sum of its proper divisors (1).

80755133 is an equidigital number, since it uses as much as digits as its factorization.

80755133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 80755133 is about 8986.3859810271. The cubic root of 80755133 is about 432.2384318365.

The spelling of 80755133 in words is "eighty million, seven hundred fifty-five thousand, one hundred thirty-three".